Part II: Housing Is Improving. Really.Housing has long been one of the expansion's black eyes. But because housing had been so weak, its relative economic size was diminished, minimizing its drag. However, supply of new homes is at a low, and affordability is improving, which should boost demand. For more insight, read Fisher Investments' Forbes contributor Lara Hoffmans' recent article: http://www.forbes.com/sites/larahoffm...